//
// Created by baka on 2025/10/20.
//

#include "cmsis_os.h"
#include "protocol.h"
#include <string.h>
#include "stm32f4xx_hal.h"
#include "uart_device.h"
// #include "BSP/UART/uart_printf.h"
#include "uart_printf.h"
#include "usart.h"

osThreadId uartTaskHandle;
struct UART_Device *pUARTDev;


void uart_task_init(void)
{
    osThreadDef(uartTask, uartTaskTEST, osPriorityHigh, 0, 1024);
    uartTaskHandle = osThreadCreate(osThread(uartTask), NULL);
}


// CRC8查找表（多项式：0x07，即CRC-8-ROHC标准）
static const uint8_t crc8_table[256] = {
    0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
    0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
    0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
    0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
    0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
    0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
    0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
    0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
    0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
    0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
    0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
    0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
    0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
    0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
    0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
    0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
};

// CRC8更新函数（查表法）
static inline void update_crc8(RecvData_t *RecvData, uint8_t data)
{
    RecvData->crc = crc8_table[RecvData->crc ^ data];
}

RecvData_t RecvData;

void RecvData_init(RecvData_t *data)
{
    memset(data, 0, sizeof(RecvData_t));
    data->State_t = wait_head;
    data->callback = NULL;
    data->timeout_threshold_ms = 50;
    data->last_receive_tick = HAL_GetTick();
}

void uartTaskTEST(void const * argument)
{
    uint8_t data;
    RecvData_init(&RecvData);
    pUARTDev = GetUARTDevice("stm32_dma_uart1");
    ERROR("GetUARTDevice");
    pUARTDev->Init(pUARTDev, 115200, 8, 'N', 1);
    INFO("GetUARTDevice Init");
    for (;;)
    {
        VERBOSE("WAIT>>>");
        while (0 != pUARTDev->Recv(pUARTDev, &data, portMAX_DELAY)){}
        if (HAL_GetTick() - RecvData.last_receive_tick > RecvData.timeout_threshold_ms) {
            if (RecvData.State_t != wait_head) {
                RecvData_init(&RecvData);
                RecvData.last_receive_tick = HAL_GetTick();
            }
        }
        VERBOSE("HAL_GetTick>>>");
        // 更新最后接收时间戳
        RecvData.last_receive_tick = HAL_GetTick();
        switch (RecvData.State_t)
        {
            case wait_head:
            VERBOSE("wait_head,%x",data);
                if (data == UART_HEAD)
                {
                    RecvData.State_t = wait_length;
                    RecvData.crc = 0x00; // CRC8初始值
                    update_crc8(&RecvData, data); // 校验更新
                }
            break;
            case wait_length:
            INFO("wait_length,%x",data);
                if (data < 1 || data > bufSize)
                {
                    RecvData_init(&RecvData);
                    break;
                }
                RecvData.length = data;
                RecvData.State_t = wait_data;
                RecvData.dataIndex = 0;
                update_crc8(&RecvData, data); // 校验更新
            break;
            case wait_data:
            INFO("wait_data,%x",data);
                RecvData.data[RecvData.dataIndex++] = data;
                update_crc8(&RecvData, data); // 校验更新
                if (RecvData.dataIndex == RecvData.length)
                {
                    RecvData.State_t = wait_crc;
                }
            break;
            case wait_crc:
            INFO("wait_crc,%x",data);
            if (data == RecvData.crc)
            {
                RecvData.State_t = wait_tail;
                INFO("RecvData.crc OK");
            }
            else
            {
                RecvData_init(&RecvData);
                INFO("RecvData.crc failed");
            }

            break;
            case wait_tail:
            INFO("wait_tail,%x",data);
            if (data == UART_TAIL)
            {
                INFO("RecvData.tail OK");
                //处理数据
                processingData(RecvData.data,RecvData.length);
            }
            RecvData_init(&RecvData);

            break;
            default:
                ERROR("ERROR");
            break;
        }

    }
}


Sensor_t sensor = {0};

//测试数据    AA 03 02 11 22 6E 55
void processingData(const uint8_t *data, const uint8_t len)
{
    if (data == NULL) return;

    switch (data[0])
    {
        case FAN_DEVICE_ID:
        INFO("device FAN_DEVICE_ID");
        //不进行处理，风扇无需回复数据
        break;

        case TEM_HUM_DEVICE_ID:
        INFO("device TEM_HUM_DEVICE_ID");
        if (data[1] != 0)
        {
            sensor.TEM = data[1];
        }
        if(data[2] != 0)
        {
            sensor.HUM = data[2];
        }

        INFO("TEM %d, HUM %d",sensor.TEM,sensor.HUM);
        // fan_control(0);
        break;

        default:
        INFO("device ERROR");
        return;
        break;
    }
}



// 一个简单的CRC-8计算函数 (例如使用多项式 0x07)
uint8_t calculate_crc_simple(const uint8_t *data, size_t length) {
    uint8_t crc = 0x00; // 初始值
    // 多项式示例: 0x07 (对应 x^8 + x^2 + x + 1)
    const uint8_t polynomial = 0x07;

    for (size_t i = 0; i < length; i++) {
        crc ^= data[i]; // 与数据字节异或
        for (int bit = 0; bit < 8; bit++) { // 处理每个字节的8个位
            if (crc & 0x80) { // 检查最高位是否为1
                crc = (crc << 1) ^ polynomial;
            } else {
                crc <<= 1;
            }
        }
    }
    return crc;
}


void fan_control(const uint8_t fanState)
{
    uint8_t data[6];
    data[0] = UART_HEAD;
    data[1] = 2;
    data[2] = FAN_DEVICE_ID;
    data[3] = fanState;
    data[4] =  calculate_crc_simple(&data[0], 4);
    data[5] = UART_TAIL;
    pUARTDev->Send(pUARTDev,data,6,100);
}


//AA 02 02 00 9F 55   获取湿度数据
void get_hum_tem(void)
{
    uint8_t data[6];
    data[0] = 0xAA;
    data[1] = 0x02;
    data[2] = 0x02;
    data[3] = 0x00;
    data[4] = 0x9F;
    data[5] = 0x55;
    pUARTDev->Send(pUARTDev,data,6,100);
}

















































void uartTask(void const * argument)
{
    INFO("uartTask");
    pUARTDev = GetUARTDevice("stm32_dma_uart1");
    pUARTDev->Init(pUARTDev, 115200, 8, 'N', 1);
    for (;;)
    {
        uint8_t data;
        //没有数据就等待
        INFO("WAIT DATA...");
        while (0 != pUARTDev->Recv(pUARTDev, &data, 100)){}
        INFO("parse_serial_data...%x",data);

    }
}
